Square.



L. v. SHEPHERD.

SQUARE.V

APPLICATION FILED JAN. 6. 1908.

909 ,694. Patented Jan. 12, 1909.

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LONELL VERNER SHEPHERD, OF LOS ANGELES, CALIFORNIA.

SQUARE Application filed January 6, 1908.

Specification of Letters Patent.

Patented Jan. 12, 1909.

Serial No. 409,511.

To all whom it may concern.

Be it known that I, LONELL VERNER Sme HERD, a citizen of the United States, and a resident of Los Angeles, in the county of Los Angeles and State of California, have invented a new and Improved Square, of which the following is a full, clear, and eX- act description.

The invention relates to squares, such as are shown and described in the Letters Patent of the United States, N o. 847,208, granted to me March 12, 1907.

The object of the invention is to provide a new and improved square having its legs or members separably connected with each otherl to allow carpenters, machinists and other mechanics using the square to readily employ the same for its legitimate purposes, and to permit of detaching the members for carrying the same conveniently7 in a tool chest or the like.

The invention consists of novel features and parts and combinations of the same, which will be more fully described hereinafter and then pointed out in the claims.

A practical embodiment of the invention is represented in the accompanying drawings forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure l is a plan view of the improvement, showing the members assembled; Fig. 2 is a like view of the same, showing the members disassembled and part of one member in section; Fig. 3 is an enlarged transverse section of the improvement on the line 3h3 of Fig. l; Fig. 4; is a similar view of the same on the line i- 4 of Fig. 1, and Fig. 5 is a perspective view of the locking cam.

The legs or members A and B of the square are separably connected with each other, and for thisI purpose the member A is provided at one end with a socket or a recess A for the reception of a tongue B formed at or projecting from one end of the other member B. In order to securely lock the tongue B in position in the socket A and to hold the member B accurately in a right-angled position relative to the member A, the following arrangement is made: Within the socket A is contained a locking cam or lever O having a hub C mounted to turn in suitable bearings arranged in the face walls of the socket A, the said hub C being provided with a polygonal bore C2, for engagement by a key or other tool, to permit the user of the square to turn the locking cam C. 'Ihe locking cam C is adapted to engage the wall B2 of a slot B3, formed lengthwise'in the tongue B from the outer end thereof inwardly, as plainly shown in Fig. 2, so that when the tongue B engages the socket A and the cam C is turned from the position shown in Fig. 2, to that indicated in dotted lines in Fig. 1, then the locking cam O in engaging the wall B2 draws the tongue B into final position within the socket A and locks it therein. By arranging the slot .B3 in the manner described and shown in Fig. 2, two fork members B4 and B5 are formed, of which the fork member B5 is shorter than the fork member B4 and is adapted to rest against the inner wall of the socket A, while the free end of the fork member B* is adapted to pass into an opening A2 formed in the rear wall or back of the socket A. By this arrangement the tongue B fits snugly in the socket and is prevented from wabbling especially when finally locked in place by the cam C, as previously described. When it is desired to disengage the members A and B, it is only necessary for the operator to insert a key in the bore O2 and turn the cam C into the position shown in Fig. 2, that is, parallel to the slot B3, to allow of drawing the tongue B out of the socket A.

A V-shaped lug D is formed on each shoulder B6 of the member B, and is adapted to engage a corresponding recess D formed in the front edge of the socket A', to aid in holding the member B in an accurate rightangled position relative to the member A.

From the foregoing it will be seen that a carpenter, machinist or other person can readily disconnect the members A and B, so as to allow of conveniently carrying the square in a tool chest or the like, and the user can conveniently and accurately assemble the membersto permit of making use of the square for its legitimate purpose.

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

1. A square composed of detachable members, one of which is provided with a socket having openings in its side walls and the other with a tongue fitting into the socket, the tongue having a cam slot, and a locking cam within the said socket and having a hub from which the cam centrally projects, said hub being mounted to turn in the openings of the Walls ofthe socken/the said cam engaging vthe said cam slot yand the said cam n p 2. A square composed of detachable members, one of which is provided with a socket and the other with a tongueV iitting into the socket, the tongue having a cam slot, andra looking cam Within the said socket Vand having ai hub from which the earn centrally projects, said hub being mounted to turn in the walls of the socket, the said cem engaging the said cani slot and they said cam 'hub having Va polygonal bore for engagement by a key to permit of turning the cam with a view to draw the tongue into nal position and lock it therein. Y

l A square composed ofdetachable mem- H bers, one of which is provided with a socket yand the other with a tongue fitting into the ylooking Vcam being mounted to turn in they face Walls of the said socket.V Y

4i. A square composed of detachable members, one of which is provided with a socket Vand the Vother with a, tongue fitting in the socket, and having members of unequal length, the socket being' Wholly open at the entrance side and provided with an opening nt the back in which fits the longer membeil of the tongue,end means for locking the Y tongue in the socket'.Y

In testimony whereof I haveV signed my,

vname to this speciicationin the Ypresence of Y two subscribing Witnesses.

LNELL VERNER SHEPHERD.

fitnesses W. S. STEvENsoN, Josie M. SCOTT. 

